A ganglia is a collection of nerve cell bodies. The hydra do not have ganglia. Instead, they have special cells for detecting touch.
Sponges.
No. Nervous System is comprised of the Central Nervous System (CNS) and the Peripheral Nervous System (PNS) The PNS is comprised of the Somatic Nervous System and the Autonomic Nervous System The Autonomic Nervous System is comprised of the Sympathetic Nervous System, the Parasympathetic Nervous System and the Enteric Nervous System
peripheral nervous system
They are the central nervous system and the periperhal nervous system.but in the periperhal nervous system ,they are two nervous system divided,。
peripheral nervous system
How does the repair of nerve fibers differ in the peripheral nervous system and the central nervous system? How does the repair of nerve fibers differ in the peripheral nervous system and the central nervous system? How does the repair of nerve fibers differ in the peripheral nervous system and the central nervous system? How does the repair of nerve fibers differ in the peripheral nervous system and the central nervous system? We can help our nervous systems by improving our reflexes
Not all animals have complex nervous systems. In fact, most lower animals don't even show an organized nervous system. Its only in higher animals like chordates that a proper organized nervous system is seen.
The nervous system. Which is made up of the peripheral nervous system and the central nervous system (including the brain).
Yes, the nervous system is considered one of the organ systems in animals.
Nervous.
The nervous system. ( 8th grade ) tyyai , Mrs.White Science Class. ( Biology )
the central nervous system (CNS) and the peripheral nervous system(PNS)
Bilaterally symmetric animals have a central nervous system.
hormones and the nervous system
The nervous system.
nervous system
Seizures
The nervous system The central nervous system